{"product_id":"triconex-3481-s2-analog-output-module-8-channel-tmr","title":"TRICONEX 3481 S2 Analog Output Module 8-Channel TMR","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTRICONEX 3481 S2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as a high-performance, safety-critical analog output interface for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTricon and Trident\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSafety Instrumented Systems (SIS). This module utilizes proprietary\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriple Modular Redundancy (TMR)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003etechnology to provide 8 independent, software-configurable channels. It delivers precise 4–20 mA or voltage signals to final control elements like actuators and control valves, ensuring zero single points of failure in hazardous environments. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ready for immediate deployment in mission-critical process safety applications.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 3481 S2 combines industrial-grade signal conditioning with the highest levels of hardware fault tolerance.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTriconex (Schneider Electric)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAnalog Output (TMR)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChannel Count\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Configurable Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Signal Ranges\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4–20 mA, 0–10 VDC, 0–5 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eArchitecture\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTriple Modular Redundancy (TMR)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e178 mm × 44 mm × 120 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.6 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTricon v9\/v10\/v11 \u0026amp; Trident Systems\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Industrial Range (0°C to +60°C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSIL3 Capable\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTMR Fault Tolerance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 3481 S2 employs three isolated, redundant legs for every output signal. The hardware voting mechanism ensures that even if one internal circuit path fails, the module maintains a continuous, accurate output to the field, eliminating unplanned trips.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSoftware-Defined Versatility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEngineers configure each of the 8 channels independently for current (4–20 mA) or voltage (0–10 V \/ 0–5 V) signals. This flexibility allows one module to manage diverse field assets, from standard positioners to specialized variable speed drives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComprehensive Self-Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module executes continuous background checks on its D\/A converters and output circuitry. It identifies and reports internal discrepancies instantly, allowing for proactive maintenance before a system-wide fault occurs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Power Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe refined circuitry of the S2 (Series 2) version minimizes heat dissipation within the Tricon chassis. This reduces thermal stress on neighboring modules and extends the overall service life of the SIS rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeamless Hot-Swapping:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMaintenance personnel replace the 3481 S2 without powering down the Tricon controller or disrupting the process. The redundant architecture ensures the safety function remains online during the hardware swap.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1. Does the 3481 S2 support both Tricon and Trident platforms?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Triconex designed the 3481 S2 for cross-platform compatibility, allowing it to function as a reliable analog interface in both full-scale Tricon systems and compact Trident controllers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. How does the TMR technology vote on an analog output?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike digital inputs that use a 2-out-of-3 vote, the 3481 S2 utilizes a hardware-level \"Current Summing\" or \"Median\" selection process. This ensures that the physical signal reaching the field transmitter represents the consensus of the three redundant internal legs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I mix 4-20mA and 0-10V signals on the same 3481 S2 module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbsolutely. You can configure each of the 8 channels independently via the TriStation 1131 software. This allows you to drive a mix of current-loop actuators and voltage-controlled equipment from a single module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. What is the standard lead time and warranty?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe maintain the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTRICONEX 3481 S2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein stock for shipment within 1–3 days. Every unit carries a 1-year factory-standard warranty and arrives in its original, sealed Schneider Electric \/ Triconex packaging.\u003c\/p\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":43783252705379,"sku":"3481 S2","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/20_330f7498-7e6d-4670-930e-b1f17fb8e12c.jpg?v=1760670861","url":"https:\/\/www.autocontrolglobal.com\/products\/triconex-3481-s2-analog-output-module-8-channel-tmr","provider":"AutoControl Global","version":"1.0","type":"link"}